Home / 6,456,021.40-9,659,148.90-4,216,533.40

Finding the Fourth Proportional to 6,456,021.40, 9,659,148.90 and 4,216,533.40

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Solution

The fourth proportional to 6,456,021.40, 9,659,148.90 and 4,216,533.40 is: 6,308,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456,021.40 : 9,659,148.90 = 4,216,533.40 : x
  2. Step 2: Convert to fraction form
    6,456,021.40/9,659,148.90 = 4,216,533.40/x
  3. Step 3: Cross multiply
    6,456,021.40x = 9,659,148.90 × 4,216,533.40
  4. Step 4: Simplify right side
    6,456,021.40x = 40,728,123,952,423.27
  5. Step 5: Solve for x
    x = 40,728,123,952,423.27/6,456,021.40
  6. Step 6: Final answer
    x = 6,308,548.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.